21655844315

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{877}}^1\times {\mathrm{883}}^1$

素因数の和:1836

約数の個数: 64

約数和(自身を含む): 32188575744

約数和(自身を除く): 10532731429

約数列:

[1, 5, 7, 17, 35, 47, 85, 119, 235, 329, 595, 799, 877, 883, 1645, 3995, 4385, 4415, 5593, 6139, 6181, 14909, 15011, 27965, 30695, 30905, 41219, 41501, 74545, 75055, 104363, 105077, 206095, 207505, 288533, 290507, 521815, 525385, 700723, 705517, 774391, 1442665, 1452535, 3503615, 3527585, 3871955, 4905061, 4938619, 5420737, 13164647, 24525305, 24693095, 27103685, 36396377, 65823235, 92152529, 181981885, 254774639, 460762645, 618738409, 1273873195, 3093692045, 4331168863, 21655844315]

約数ペア:

[(1, 21655844315), (5, 4331168863), (7, 3093692045), (17, 1273873195), (35, 618738409), (47, 460762645), (85, 254774639), (119, 181981885), (235, 92152529), (329, 65823235), (595, 36396377), (799, 27103685), (877, 24693095), (883, 24525305), (1645, 13164647), (3995, 5420737), (4385, 4938619), (4415, 4905061), (5593, 3871955), (6139, 3527585), (6181, 3503615), (14909, 1452535), (15011, 1442665), (27965, 774391), (30695, 705517), (30905, 700723), (41219, 525385), (41501, 521815), (74545, 290507), (75055, 288533), (104363, 207505), (105077, 206095)]